Proxima Centauri
Star in Centaurus constellation
Also known as α Cen C · Alpha Centauri C · Proxima · α Centauri C · Proxima Cen · GJ 551
- Constellation
- Distance from Earth
- 1.3019 pc
1
- 1.3019 pc
- Apparent magnitude
- 11.13
- , 14.21
- , 12.95
- +6 more
- Color index
- 1.9
- Spectral class
- M4.5
- Mass
- 0.12 M☉
- Radius
- 0.141 R☉
- Right ascension
- 217.4289 degree
1
- 217.4289 degree
Overview
Related
All data
169 statements · 76% with external sources · numbers in brackets are citations
- Catalog code
- 2MASS J14294291-6240465 catalog: 2MASS
1
- HIP 70890 catalog: Hipparcos Catalogue
1
- IRAS 14260-6227 catalog: IRAS
1
- GJ 551 catalog: Gliese Catalogue of Nearby Stars
1
- 1ES 1426-62.4 catalog: Einstein Slew Survey, Version No. 1
1
- 1RXS J142947.9-624058 catalog: 1RXS
1
- 2EUVE J1429-62.6 catalog: The second Extreme Ultraviolet Explorer source catalog
1
- CCDM J14396-6050C catalog: Catalog of Components of Double and Multiple Stars
1
Show 26 moreShow less
- CSV 2142 catalog: Catalogue of suspected variable stars
1
- EUVE J1429-62.6 catalog: The first Extreme Ultraviolet Explorer source catalog
1
- EUVE J1430-62.6 catalog: The first Extreme Ultraviolet Explorer source catalog
1
- HIC 70890 catalog: Hipparcos Input Catalogue
1
- JP11 5155 catalog: JP11
1
- JP11 5156 catalog: JP11
1
- JP11 5187 catalog: JP11
1
- LFT 1110 catalog: Luyten Five-Tenths catalogue
1
- LHS 49 catalog: Luyten Half-Second catalogue
1
- LPM 526 catalog: Luyten Proper-Motion catalogue
1
- LTT 5721 catalog: Luyten Two-Tenths catalogue
1
- NLTT 37460 catalog: New Luyten Two-Tenths catalogue
1
- PLX 3278 catalog: General Catalogue of Trigonometric Stellar Parallaxes
1
- PLX 3278.00 catalog: General Catalogue of Trigonometric Stellar Parallaxes
1
- V645 Cen catalog: General Catalogue of Variable Stars
1
- WDS J14396-6050C catalog: Washington Double Star Catalog
1
- Zkh 211 catalog: Zhakozhaj
1
- PM J14297-6240 catalog: Catalogs of proper-motion stars. I. Stars brighter than visual magnitude 15 and with annual proper motion of 1" or more
1
- Ci 20 861 catalog: Catalogue of proper motion stars
1
- PM 14263-6228 catalog: Catalogs of proper-motion stars. I. Stars brighter than visual magnitude 15 and with annual proper motion of 1" or more
1
- [GKL99] 301 catalog: Catalogue and bibliography of the UV Cet-type flare stars and related objects in the solar vicinity
1
- RX J1429.7-6240 catalog: X-ray survey of the Large Magellanic Cloud by ROSAT
1
- PMSC 14328-6025C catalog: MSC - a catalogue of physical multiple stars
1
- Gaia DR2 5853498713160606720 catalog: Gaia Data Release 2
1
- Gaia DR3 5853498713190525696 catalog: Gaia Data Release 3
1
- TIC 388857263 catalog: TESS Input Catalog
1
- 2MASS J14294291-6240465 catalog: 2MASS
- Type of variable star
- flare star
1
- rotating variable star
2
Sources- 1.Stated in Rotation periods of late-type dwarf stars from time series high-resolution spectroscopy of chromospheric indicators
- 2.Stated in New Rotation Period Measurements for M Dwarfs in the Southern Hemisphere: An Abundance of Slowly Rotating, Fully Convective Stars
- BY Draconis variable
- flare star
- Founded
- 4850000th millennium BCE
- Radial velocity
- -20.5782 kilometre per second
- Diameter
- 200,000 km
- Discovered
- 1915
- Parallax
- 768.0665 milliarcsecond
1
- 768.0665 milliarcsecond
- Absolute magnitude
- 15.49
- Stellar rotational velocity
- 0 kilometre per second
1
- 0 kilometre per second
- Luminosity
- 0.0017 solar luminosity
- Age estimated by a dating method
- 4.85B years
- Right ascension component of proper motion
- -3,781.74 milliarcsecond per year
1
- -3,781.74 milliarcsecond per year
- Declination component of proper motion
- 769.465 milliarcsecond per year
1
- 769.465 milliarcsecond per year
- Surface gravity
- 112,000 centimetre per square second
- Official name
- Proxima Centauri ipa transcription: /ˈprɒksɪmə sɛnˈtɔːraɪ/
1
- Proxima Centauri ipa transcription: /ˈprɒksɪmə sɛnˈtɔːraɪ/
- Angular distance
- 2.18 degree relative to: Alpha Centauri A
On other databases
22 identifiers linking Proxima Centauri across the web's reference databases
- ARICNS01140
- Encyclopædia Britannica Online IDplace/Proxima-Centauri
- Encyclopedia of China (Third Edition) ID (2026)1tbrMU
- Encyclopedia of China (Third Edition) old ID (2021)66198
- Fandom article IDspace:Proxima_Centauri
- Freebase ID/m/0l1js
- Gaia ID5853498713190525696
- Great Norwegian Encyclopedia IDProxima_Centauri
- Great Russian Encyclopedia Online ID (2017)3179853
- Hrvatska enciklopedija ID69123
- Interlingual Index IDi86017
- Larousse IDdivers/Proxima/139727
- Lex IDProxima_Centauri
- Namuwiki ID프록시마
- NASA Exoplanet Archive IDProxima Cen
- Online PWN Encyclopedia ID3962976
- Pixiv Encyclopedia IDプロキシマ・ケンタウリ
- Quora topic IDProxima-Centauri-3
- SIMBAD IDNAME Proxima Centauri
- Vikidia article IDit:Proxima_Centauri
- WikiKids IDProxima_Centauri
- WordNet 3.1 Synset ID09423065-n
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